Verifying The Repair - ViewSonic PJD5112 Service Manual

4.2 Verifying the Repair

After repairing projector (Dissembling and assembli ng projector), Repair center should verify
the quality of repaired unit.
(1) Check Logo
Check Logo is correct after power on projector.
(2) Signal test (Each I/O can function normally)
Connect all connector to the jacks one after the other to check whether each channel can
project normally.
I/O port
Test Equipment
Signal format
I/O port
Test Equipment
Signal format
I/O port
Test Equipment
Signal format
I/O port
ViewSonic Corporation
Monitor In (VGA)
Standard Pattern generator (Ex. Quantum data)
1024*768 60Hz
Video
Standard Pattern generator (Ex. Quantum data) or DVD player
NTSC
S-Video
Standard Pattern generator or DVD player
480i
USB
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Confidential - Do Not Copy PJD5112